package com.example.demo;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

	 @RequestMapping(value = "/", produces = "text/plain;charset=UTF-8")
	    public String hello() {
	        return "hello world，第一个Spring Boot应用程序！";
	    }
}
